DESIGNING OF INDIRECT ELISA SYSTEM USING SECRETED ANTIGENS OF MYCOBACTERIUM AVIUM SUBSP. PARATUBERCULOSIS FOR DIAGNOSIS OF PARATUBERCULOSIS

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HATAMIFAR MONA; MOSAVARI NADER; KAZEMI JAVAD

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Journal: IRANIAN JOURNAL OF MEDICAL MICROBIOLOGY Year:2017 | Volume:11 | Issue:2 Page(s): 26-33

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Title

DESIGNING OF INDIRECT ELISA SYSTEM USING SECRETED ANTIGENS OF MYCOBACTERIUM AVIUM SUBSP. PARATUBERCULOSIS FOR DIAGNOSIS OF PARATUBERCULOSIS

Author(s)

HATAMIFAR MONA | MOSAVARI NADER | KAZEMI JAVAD | Issue Writer Certificate

Keywords

MYCOBACTERIUM AVIUMQ2

PARATUBERCULOSISQ2

INDIRECT ELISAQ2

SECRETED ANTIGENSQ2

Abstract

Background and Aims: MYCOBACTERIUM AVIUM subsp. paratubercuiosis (MAP) is the causative agent of PARATUBERCULOSIS, also called as Johne's disease and is considered as the cause of irrecoverable economic losses in livestock industry. For the detection of the PARATUBERCULOSIS, INDIRECT ELISA has been highly considered as a simple method with high sensitivity and specificity. Accordingly, this study aims at designing a system of INDIRECT ELISA for the detection of PARATUBERCULOSIS.Materials and Methods: A total of 100 serum samples from 10 herds, in Tehran and Alborz provinces in 2015, in which PARATUBERCULOSIS has been proven by culture, were selected and surveyed using the standard kit and the internal system was designed according to the standard kit. To design ELISA system, by using secretory antigens and confirmed positive and negative serum samples were used and checkerboard titration was performed. To determine the cutoff point, the results of the commercial kit were used as gold standard.Results: According to the commercial ELISA kit results (15 positive samples and 85 negative samples), the best concentration of antigen and antibody dilution were evaluated as 1.2 μg and 1.100 per well, respectively. Furthermore, the cutoff point was determined as 0.44.The sensitivity and specificity were evaluated as 70% and 100%, respectively.Conclusions: SECRETED ANTIGENS in M. avium subsp. paratubercuiosis are sensitive to detect the infected animals but it is difficult to detect bacteria from feces in the early stages of disease. Therefore, by using indirect designed ELISA, it can be detected antibodies in the early stages of the disease.

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APA: Copy

HATAMIFAR, MONA, MOSAVARI, NADER, & KAZEMI, JAVAD. (2017). DESIGNING OF INDIRECT ELISA SYSTEM USING SECRETED ANTIGENS OF MYCOBACTERIUM AVIUM SUBSP. PARATUBERCULOSIS FOR DIAGNOSIS OF PARATUBERCULOSIS. IRANIAN JOURNAL OF MEDICAL MICROBIOLOGY, 11(2), 26-33. SID. https://sid.ir/paper/132630/en

Vancouver: Copy

HATAMIFAR MONA, MOSAVARI NADER, KAZEMI JAVAD. DESIGNING OF INDIRECT ELISA SYSTEM USING SECRETED ANTIGENS OF MYCOBACTERIUM AVIUM SUBSP. PARATUBERCULOSIS FOR DIAGNOSIS OF PARATUBERCULOSIS. IRANIAN JOURNAL OF MEDICAL MICROBIOLOGY[Internet]. 2017;11(2):26-33. Available from: https://sid.ir/paper/132630/en

IEEE: Copy

MONA HATAMIFAR, NADER MOSAVARI, and JAVAD KAZEMI, “DESIGNING OF INDIRECT ELISA SYSTEM USING SECRETED ANTIGENS OF MYCOBACTERIUM AVIUM SUBSP. PARATUBERCULOSIS FOR DIAGNOSIS OF PARATUBERCULOSIS,” IRANIAN JOURNAL OF MEDICAL MICROBIOLOGY, vol. 11, no. 2, pp. 26–33, 2017, [Online]. Available: https://sid.ir/paper/132630/en

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